<template>
  <div>
    <!-- 面包屑导航 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>活动管理</el-breadcrumb-item>
      <el-breadcrumb-item>活动列表</el-breadcrumb-item>
      <el-breadcrumb-item>活动详情</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片 -->
    <el-card class="box-card">
      <!-- 搜索 -->
      <el-row :gutter="20">
        <el-col :span="8">
          <!-- 搜索框 -->
          <el-input
            v-model="queryInfo.query"
            placeholder="请输入内容"
            class="input-with-select"
            clearable
            @clear="getUserList"
          >
            <el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="addDialogVisible = true">添加用户</el-button>
        </el-col>
      </el-row>
      <!-- 表格 -->
      <template>
        <el-table border stripe :data="userList" style="width: 100%">
          <el-table-column type="index"></el-table-column>
          <el-table-column prop="username" label="姓名" width="180"></el-table-column>
          <el-table-column prop="email" label="邮箱" width="180"></el-table-column>
          <el-table-column prop="mobile" label="电话"></el-table-column>
          <el-table-column prop="role_name" label="角色"></el-table-column>
          <el-table-column prop="mg_state" label="状态">
            <template slot-scope="scope">
              <el-switch v-model="scope.row.mg_state" @change="userStateChanged(scope.row)"></el-switch>
            </template>
          </el-table-column>
          <el-table-column label="操作">
            <template slot-scope="scope">
              <el-button
                type="primary"
                icon="el-icon-edit"
                size="mini"
                @click="editDialog(scope.row.id)"
              ></el-button>
              <el-button
                type="danger"
                icon="el-icon-delete"
                size="mini"
                @click="removeUserById(scope.row.id)"
              ></el-button>
              <el-tooltip
                class="item"
                effect="dark"
                content="分配角色"
                placement="top"
                :enterable="false"
              >
                <el-button
                  type="warning"
                  icon="el-icon-setting"
                  size="mini"
                  @click="setRole(scope.row)"
                ></el-button>
              </el-tooltip>
            </template>
          </el-table-column>
        </el-table>
      </template>
      <!-- 分頁 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[1, 2, 5, 10]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
      ></el-pagination>
    </el-card>
    <!-- 添加用户对话框 -->
    <el-dialog title="添加用户" :visible.sync="addDialogVisible" width="50%" @close="addDialogClosed">
      <el-form ref="addFormRef" :model="addForm" label-width="80px" :rules="addFormRules">
        <el-form-item label="用户名" prop="username">
          <el-input v-model="addForm.username"></el-input>
        </el-form-item>
        <el-form-item label="密码" prop="password">
          <el-input v-model="addForm.password" type="password"></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="addForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机号码" prop="mobile">
          <el-input v-model="addForm.mobile"></el-input>
        </el-form-item>
      </el-form>
    </el-dialog>
    <!-- 编辑用户对话框 -->
    <el-dialog title="编辑用户" :visible.sync="editDialogVisible" width="50%" @close="editDialogClosed">
      <el-form ref="editFormRef" :model="editForm" label-width="80px" :rules="editFormRules">
        <el-form-item label="用户名" prop="username">
          <el-input v-model="editForm.username" disabled></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="editForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机" prop="mobile">
          <el-input v-model="editForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="editDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="editUserInfo">确 定</el-button>
      </span>
    </el-dialog>
    <!-- 分配角色 -->
    <el-dialog title="提示" :visible.sync="setRoleDialogVisible" width="50%" @close="setRoleDialogClosed">
      <p>当前的用户：{{userInfo.username}}</p>
      <p>当前的角色：{{userInfo.role_name}}</p>
      <p>
        分配新角色：
        <el-select v-model="selectedRoleId" placeholder="请选择">
          <el-option
            v-for="item in rolesList"
            :key="item.id"
            :label="item.roleName"
            :value="item.id"
          ></el-option>
        </el-select>
      </p>
      <span slot="footer" class="dialog-footer">
        <el-button @click="setRoleDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="saveRoleInfo">确 定</el-button>
      </span>
    </el-dialog>
  </div>
</template>
<script>
export default {
  data() {
    // 验证邮箱的规则
    var checkEmail = (rule, value, callback) => {
      const regEmail = /^[a-z0-9]+([._\\-]*[a-z0-9])*@([a-z0-9]+[-a-z0-9]*[a-z0-9]+.){1,63}[a-z0-9]+$/;
      if (regEmail.test(value)) {
        return callback();
      }
      callback(new Error('请输入合法的邮箱'));
    };
    // 验证手机号码的规则
    var checkMobile = (rule, value, callback) => {
      const regMobile = /^[1][3,4,5,7,8][0-9]{9}$/;
      if (regMobile.test(value)) {
        return callback();
      }
      callback(new Error('请输入合法的手机号码'));
    };
    return {
      userList: [],
      total: 0,
      // 获取用户数据的参数对象
      queryInfo: {
        query: '',
        // 當前頁
        pagenum: 1,
        // 當前每頁顯示的數據
        pagesize: 2
      },
      // 控制添加用户对话框的显示
      addDialogVisible: false,
      // 添加用户表单数据
      addForm: {
        username: '',
        password: '',
        email: '',
        mobile: ''
      },
      // 添加用户表单规则验证
      addFormRules: {
        username: [
          { required: true, message: '请输入用户名', trigger: 'blur' },
          {
            min: 3,
            max: 10,
            message: '用户名长度在3-10个字符之间',
            trigger: 'blur'
          }
        ],
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' },
          {
            min: 6,
            max: 15,
            message: '密码的长度在6-15个字符之间',
            trigger: 'blur'
          }
        ],
        email: [
          { required: true, message: '邮箱格式不合法', trigger: 'blur' },
          { validator: checkEmail, trigger: 'blur' }
        ],
        mobile: [
          { required: true, message: '请输入手机号码', trigger: 'blur' },
          { validator: checkMobile, trigger: 'blur' }
        ]
      },
      // 控制编辑用户对话框的显示
      editDialogVisible: false,
      editForm: {},
      editFormRules: {
        email: [
          { required: true, message: '请输入邮箱', trigger: 'blur' },
          { validator: checkEmail, trigger: 'blur' }
        ],
        mobile: [
          { required: true, message: '请输入手机号码', trigger: 'blur' },
          { validator: checkMobile, trigger: 'blur' }
        ]
      },
      // 控制分配角色对话框的显示
      setRoleDialogVisible: false,
      // 将被分配角色的用户数据
      userInfo: {},
      // 所有角色的数据列表
      rolesList: [],
      // select选择控件被选中的选项
      selectedRoleId: ''
    };
  },
  created() {
    this.getUserList();
  },
  methods: {
    async getUserList() {
      const { data: res } = await this.$axios.get('users', {
        params: this.queryInfo
      });
      //   console.log('res');
      if (res.meta.status !== 200) return this.$message.error(res.meta.msg);
      this.total = res.data.total;
      this.userList = res.data.users;
    },
    // 当页码改变
    handleSizeChange(newSize) {
      //   console.log(newSize);
      this.queryInfo.pagesize = newSize;
      this.getUserList();
    },
    // 当当前页改变
    handleCurrentChange(newPage) {
      //   console.log(newPage);
      this.queryInfo.pagenum = newPage;
      this.getUserList();
    },
    // 当用户状态改变
    async userStateChanged(userInfo) {
      // console.log(userInfo);
      const { data: res } = await this.$axios.put(
        `users/${userInfo.id}/state/${userInfo.mg_state}`
      );
      if (res.meta.status !== 200) {
        //   若請求數據失敗，則後台數據也需要回復
        userInfo.mg_state = !userInfo.mg_state;
        return this.$message.error(res.meta.msg);
      }
      this.$message.success(res.meta.msg);
    },
    // 关闭弹窗触发事件
    addDialogClosed() {
      // console.log(this.$refs.addFormRef);
      this.$refs.addFormRef.resetFields();
    },
    // 确定添加用户
    addUser() {
      this.$refs.addFormRef.validate(async valid => {
        // 校验失败，则返回
        if (!valid) return false;
        // 校验成功，发起请求
        const { data: res } = await this.$axios.post('users', this.addForm);
        if (res.meta.status !== 201) return this.$message.error('添加用户失败');
        this.$message.success('添加用户成功');
        this.addDialogVisible = false;
        this.getUserList();
      });
    },
    // 编辑用户
    async editDialog(id) {
      const { data: res } = await this.$axios.get('users/' + id);
      if (res.meta.status !== 200) return this.$message.error('查询用户失败');
      this.editForm = res.data;
      this.editDialogVisible = true;
      // console.log(this.editForm);
    },
    editDialogClosed() {
      this.$refs.editFormRef.resetFields();
    },
    // 编辑用户信息
    editUserInfo() {
      this.$refs.editFormRef.validate(async valid => {
        if (!valid) return false;
        // 发起请求
        const { data: res } = await this.$axios.put(
          'users/' + this.editForm.id,
          {
            id: this.editForm.id,
            email: this.editForm.email,
            mobile: this.editForm.mobile
          }
        );
        if (res.meta.status !== 200) return this.$message.error('更新失败');
        this.editDialogVisible = false;
        this.getUserList();
        this.$message.success('更新成功');
      });
    },
    // 删除用户
    removeUserById(id) {
      this.$confirm('此操作将永久删除该文件, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      })
        .then(async () => {
          const { data: res } = await this.$axios.delete('users/' + id);
          // console.log(res);
          if (res.meta.status === 200) {
            this.$message({
              type: 'success',
              message: '删除成功!'
            });
          }
          this.getUserList();
        })
        .catch(() => {
          this.$message({
            type: 'info',
            message: '已取消删除'
          });
        });
    },
    // 分配角色
    async setRole(role) {
      this.userInfo = role;
      const { data: res } = await this.$axios.get('roles');
      if (res.meta.status !== 200) {
        return this.$message.error('获取角色列表失败');
      }
      this.rolesList = res.data;
      this.setRoleDialogVisible = true;
    },
    // 确定分配角色
    async saveRoleInfo() {
      if (!this.selectedRoleId) {
        return this.$message.error('请选择要分配的角色');
      }
      const { data: res } = await this.$axios.put(
        'users/' + this.userInfo.id + '/role', {
          rid: this.selectedRoleId
        }
      );
      if (res.meta.status !== 200) {
        return this.$message.error('分配角色失败');
      }
      this.$message.success('分配角色成功');
      this.getUserList();
      this.setRoleDialogVisible = false;
    },
    // 分配角色弹框确定关闭时触发
    setRoleDialogClosed() {
      this.selectedRoleId = '';
      this.userInfo = [];
    }
  }
};
</script>
<style lang="scss" scoped>
</style>
